Assume an honest user wants to send an 8-bit integer to their bank indicating how much money should be transferred to the bank account of an attacker. the user uses ctr-mode encryption based on a block cipher f with 8-bit block length. (yes, this is a made-up example.) the attacker knows that the amount of money the user wants to transfer is exactly $16, and has compromised a router between the user and the bank. the attacker receives the ciphertext 1000 0111 (in binary) from the user. what ciphertext should the attacker forward to the bank to initiate a transfer of exactly $32? (recall that ctr-mode decryption of a ciphertext using key is done by outputting .)